preferred source of information. Searching in databases and on the internet can be enhanced by the use of Boolean operators. Even if most people are capable of using the internet without knowledge of Boolean operators‚ this essay brings out their usefulness. This essay therefore attempts to support the assertion that Boolean operators are key in searching for information in databases as well as the internet. Working definitions given in this paper are Boolean operators‚ information search‚ database
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Introduction Information retrieval is a science related to documents and information searching. Information retrieval deals with the storage and representation of knowledge and the retrieval of information relevant to a specific user problem (Mandhl‚ 2007). Information retrieval technology mostly used in universities and public library to help students or information users to access to books‚ journals and other information resources that they needed. It also applies at organizations which having
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Image Retrieval Based on Color and Texture Feature Using Artificial Neural Network Syed Sajjad Hussain#1‚ Manzoor Hashmani#2‚ Muhammad Moin uddin#3 # Faculty of Engineering‚ Sciences and Technology‚ IQRA University‚ Karachi 1 engr.sajjadrizvi@yahoo.com‚ 2mhashmani@yahoo.com‚ 3mmoin73@yahoo.com Abstract. Content-based image retrieval CBIR is a technique that helps in searching a user desired information from a huge set of image files and interpret user intentions for the desired information
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Question 1 a) The difference between a subject directory and a search engine is the way in which the information about a website is gathered. Search engine is a program that finds Web sites‚ Web pages‚ images‚ videos‚ news‚ maps‚ and other information related to specific topic. A search engine is helpful in locating information for which we do not know an exact Web address or are not seeking a particular Web site. A subject directory classifies Web pages in an organized set of categories
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Institute of Technology‚ Kharagpur ABSTRACT Since the day man started realizing the importance of information it became necessary for archiving those information in such a way that they become easy to retrieve in the future. The advent of computers made it possible to store large amounts of data or information and thus retrieving those data became a necessity. The area of Information Retrieval (IR) was born in 1950s and since then several IR systems are being developed and used everyday by millions
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Cyril W. Cleverdon’s 1991 article‚ “The Significance of the Cranfield Tests on Index Languages‚” outlines the series of experimental tests into information retrieval the author took part in through the 1950s and 1960s while working as a librarian at the Cranfield College of Aeronautics in England. In the post-war midst of lifted security restrictions on many scientific and technical reports‚ the need for an accurate and efficient method of indexing was acute‚ and many new techniques were idealized
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means of ensuring a reduction in the time spent carrying out most of his activities.The library in comformity to this‚ has prided itself in devising procedures of accessing information in as little time as possible.Without these procedures the world of documentation would have been chaotic.They is a quartet of information retrieval processes called cataloging‚ classification‚ indexing and abstracting.Indexing and abstracting are concern of this paper Indexing Wedgeworth‚ (1993) defined indexing as
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User Satisfaction in Information Retrieval Azzah Al-Maskari Directorate General of Technological Education P.O.Box: 413‚ Post code 100 Tel: +96824839124 Fax: +96824813723 Email: maskeri.a@gmail.com Mark Sanderson Department of Information Studies‚ University of Sheffield Regent Court‚ 211 Portobello Street Sheffield S1 4DP‚ UK Tel: +44 114 22 22648 Fax: +44 114 27 80300 Email: m.sanderson@shef.ac.uk 1 A Review of Factors Influencing User Satisfaction in Information Retrieval Abstract This paper
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library Introduction: A digital library is where the information is digitalised and stored in the form of electronic portal that provides access to all kind of database such as bibliographies‚ full-text resources‚ catalogues‚ search engines‚ internet resources‚ reference works‚ E-journals etc. Earlier its only paper based works only available in libraries. However‚ technologies have overcome the traditional techniques and ways of gathering information from libraries. . Now in present life we have modest
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straightforward alphabetical sequence‚ by Harrison Colin and Beenham Rosemary (1985). The following are the characteristics of dictionary catalogue: Entries are arranged alphabetically from A – Z; It contain divided catalogue; Bibliographic information includes references‚ see and see also. The dictionary catalogue due to its arrangement has the following advantages: It is easy to understand since it follow alphabetical or sequence. Hence every one can access no matter its knowledge level because
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